25 Signs of Data Exfiltration

At this point, there's nary an industry or government that hasn't suffered some level of data breach. Even universities can’t seem to keep a cap on data losses. Often, pwning data is all too simple, and, at 10GBE speeds, data exits hastily.

Cloud access security brokers (CASBs) and systems dataflow monitoring systems that look for anomalous behaviors can help. And, certainly, an ounce of prevention is worth a pound of cure. But nothing is foolproof because fools are so ingenious. You must watch for the signs that something’s afoot.

How do you know? Here's a quick list of 25 signs that your data may be "leaving the building."

Unfortunately, this is just a shortlist of the signs of data exfiltration. In general, my strongest and best recommendation is to read your logs. And, if something doesn't look right, it probably isn't.